Download Name________________________________________ Lesson 2

Name________________________________________ Lesson 2-1 Fractions and Decimals
A fractions is a part of a whole. For example if you order a pizza that has 4
slices and eat 1 slice you ate ¼ of the pizza.
Write as a decimal
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Terminating Decimal- A decimal like 0.625 where the division _______________, or
terminates, when the remainder is 0.
Repeating Decimal- A decimal like 1.666… where the decimal never
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Bar Notation- A symbol used to show ________________________________ in a decimal.
Write each decimal as a fraction or mixed number
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Name_____________________________ Lesson 2-2
Replace ___ with <, >, or =.
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Name__________________________________Lesson 2-3 Multiplying Rational Numbers
Multiplying Fractions- multiply the _____________________ and multiply the
denominators
Numerator: top number of a fraction
Denominator: bottom number of a fraction
Multiplly
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Evaluate if a=3/4 b=1/2 x=2/3
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Name____________________Lesson 2-4 Dividing Rational Numbers
Multiplicative inverses or reciprocals- two numbers whose ______________________ is 1.
Ex. 2  1/2 = 1
Reciprocals flip the fraction
Inverse property of multiplication- The _________________________ of a rational number
and its multiplicative inverse is ______________________.
Write the multiplicative inverse of each fraction
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Dividing Fractions - To divide by a
________________
fraction, multiply by its multiplicative
Divide
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Name_____________________ Lesson 2-5 Adding and Subtracting Like fractions
Like Fractions - Fractions with like
Adding Like Fractions - add the
denominator
Add
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numerators and write the ___________ over the
Subtracting Like Fractions - subtract the numerators and write the _______________
over the denominator
Subtract
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Name______________Lesson 2-6Adding and Subtracting Fractions with unlike
denominators
Unlike Fractions- Fractions with unlike
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Adding and Subtracting Unlike Fractions- To find the _______________ or difference
of two fractions with unlike denominators, rename the fraction with a common
denominator. Then add or ______________________ and simplify, if necessary
Add or Subtrac
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Name_____________________Lesson 2-7 Solving Equations with Rational Numbers
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Name__________________________Lesson 2-8 Powers and Exponents
Base - the number that is multiplied. 24
Exponent - tells how many times the
base is used as a factor. 24
Power - The number that is expressed using an exponent. 24
So we are multiplying 2 four times. 2X2x2x2=8
Write p x p x p x q x p x q x q using exponents.
Zero and Negative ____________________- Any nonzero number to the zero power is
______________. Any nonzero number to the negative n power is 1 divided by the number to the nth
power.
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Name______________________ Lesson 2-9 Scientific Notation
Write in Standard Form
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Write in Scientific Notation
5. 931,500,000
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14,140,000
7. 0.00443
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0.114